Home / 762,877.76-1,052,780.80-423,377.60

Finding the Fourth Proportional to 762,877.76, 1,052,780.80 and 423,377.60

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Solution

The fourth proportional to 762,877.76, 1,052,780.80 and 423,377.60 is: 584,266.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,877.76 : 1,052,780.80 = 423,377.60 : x
  2. Step 2: Convert to fraction form
    762,877.76/1,052,780.80 = 423,377.60/x
  3. Step 3: Cross multiply
    762,877.76x = 1,052,780.80 × 423,377.60
  4. Step 4: Simplify right side
    762,877.76x = 445,723,808,430.08
  5. Step 5: Solve for x
    x = 445,723,808,430.08/762,877.76
  6. Step 6: Final answer
    x = 584,266.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.